"The Secret Passage" by Fergus Hume is a mystery novel written during the late 19th century. The story revolves around the sudden and mysterious death of Miss Selina Loach, who is found dead in her home shortly after hosting friends for a card game. The narrative follows various characters, including the newly hired parlor-maid Susan Grant, who finds the body, and Cuthbert Mallow, who becomes embroiled in the investigation surrounding the murder. At the start of the story, the reader is introduced to Susan Grant as she secures a position as a parlor-maid in the home of Miss Loach. The initial chapter captures the uneasy dynamics between Susan and her employer, revealing both women's secrets through their thoughts. The atmosphere shifts dramatically when Susan discovers Miss Loach's dead body shortly after her first evening's duty, which kicks off a series of events involving other characters like the lawyers and friends who had been present at the card game the night before. As various characters speculate and share their perspectives, the opening lays the groundwork for a complex web of relationships and motivations that will likely unravel as the mystery deepens. (This is an automatically generated summary.)